United Flight 5503 Deals & Information (2025/2026)

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

United Flight 5503 Route Deals From $254

The cheapest prices found with in the last 7 days for return flights were $254 and $254 for one-way flights to Piedmont Triad Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

What route does flight number UA5503 take?
Flight number UA5503 operates direct from Denver, CO Airport (DEN-Denver Intl.) to MSO. During this journey, expect to be in the air for approximately 2 hours and 13 minutes. It pays to book ahead to lock in your preferred seat.
What kind of plane is on flight number UA5503?
There's a strong chance you'll be hopping on board a Bombardier CRJ if your flight number is UA5503. This flight nearly always leaves from DIA airport and touches down at Missoula Intl. Airport.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your UA5503 flight with Travelocity, please visit our Customer Service Portal.